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    SubjectRe: Versioning file system
    On Tue, 19 Jun 2007 12:08:52 -0700
    "H. Peter Anvin" <hpa@zytor.com> wrote:

    > Chris Snook wrote:
    > > I pointed out NetApp's .snapshot directories because that's a method
    > > that uses legal path character, but doesn't break anything. With this
    > > method, userspace tools will have to be taught that : is suddenly a
    > > special character.
    >
    > Not to mention that the character historically used for this purpose is
    > ; (semicolon.)

    Yes but tdskb:foo.mac[1013,1013,frob];4 is *not* elegant. POSIX is very
    clear about what is acceptable as magic in a pathname, and the unix spec
    even more so. The NetApp approach recognizes two important things

    1. Old version access is the oddity not the norm
    2. Standards behaviour is important


    Alan
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